Update README.

overtrue · overtrue · commit a6ad71b2012a · 2017-09-05T23:02:41.000+08:00
diff --git a/README.md b/README.md
@@ -12,7 +12,7 @@ $ composer require overtrue/laravel-query-logger --dev -vvv
 
 ## Usage
 
-```php
+```shell
 $ tail -f ./storage/logs/laravel.log 
 ```
 
